package database.service;

import java.util.List;

public class commonService {
    private static UserService userService=new UserService();
//    private static UserLoginStatusService userLoginStatusService=new UserLoginStatusService();
//
//    private static OfflineMessageService offlineMessagesService=new OfflineMessageService();

    private static RelationService relationService=new RelationService();

    public static Long queryIdByUserName(String userName){
        return  userService.queryIdByUserName(userName);
    }

//    public static List<Object> queryIdsGroupByName(String groupName){
//        return relationService.queryIdsByGroupName(groupName);
//    }
}
